.box {
	margin: 20rpx;
}

.box-flex-start {
	display: flex;
	justify-content: flex-start;
	align-items: center;
}

.box-flex-end {
	display: flex;
	justify-content: flex-end;
	align-items: center;
}

.box-flex-between {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.box-flex-around {
	display: flex;
	justify-content: space-around;
	align-items: center;
}

.box-flex-center {
	display: flex;
	justify-content: center;
	align-items: center;
}

.box-flex-column {
	flex-direction: column;
}